National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Overcast

74°F

23°C

Humidity 88%
Wind Speed S 5 mph
Barometer 30.08 in (1017.6 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 17 Sep 11:53 pm EDT
Extended Forecast for

Ewing NJ

  • Overnight

    Overnight: A chance of showers, mainly before 1am. Mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming west. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 68 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 82. North wind around 10 mph.

    High: 82 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 58. North wind around 5 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 75. Northeast wind around 5 mph.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 61. East wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 2pm. Patchy fog before 8am. High near 73. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 73 °F

    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: Showers, mainly before 2am. Low around 60. Chance of precipitation is 80%.

    Low: 60 °F

    Showers

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.

    High: 69 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    Showers

Detailed Forecast

Overnight
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming west. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Partly sunny, then gradually becoming sunny, with a high near 82. North wind around 10 mph.
Friday Night
Increasing clouds, with a low around 58. North wind around 5 mph.
Saturday
Mostly sunny, with a high near 75. Northeast wind around 5 mph.
Saturday Night
A chance of showers after 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 61. East wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers likely, then showers and possibly a thunderstorm after 2pm. Patchy fog before 8am. High near 73. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers, mainly before 2am. Low around 60. Chance of precipitation is 80%.
Monday
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 61. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 62. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 64. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ewing NJ
 40.27°N 74.8°W (Elev. 157 ft)
Last Update:
4:09 pm EDT Sep 17, 2026
Forecast Valid:
12am EDT Sep 18, 2026-6pm EDT Sep 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation